EPA Method 525.2 Pesticide Level 4 Back Catalog number: 92843 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 90379 Wisconsin DNR GRO Standard Price on request 10716.12-100-IO 2,2',3,4,5-Pentachlorobiphenyl Price on request DEC-603 Dechlorane 603, 1.2ml x 50ug/ml, toluene Price on request